diff --git a/README.md b/README.md
index cc83cbd051b034ace5b474c14d82cc06f875754a..91e184f7dd12fd8f2efdd658dba92faa98b6cbb8 100644
--- a/README.md
+++ b/README.md
@@ -86,6 +86,10 @@
 | TW301 | Network  | wifista    | [WiFi-STA联网演示](applications/app/TW301_Network_wifista/README.md) | 核心板 |
 | TW302 | Network  | wifiap    | [WiFi-AP热点演示](applications/app/TW302_Network_wifiap/README.md) | 核心板 |
 | TW303 | Network  | mqtt    | [MQTT演示](applications/app/TW303_Network_mqttclient/README.md) | 核心板 |
+| TW304 | Network  | tcpserver    | [TCP服务端联网演示](applications/app/TW304_Network_tcpserver/README.md) | 核心板 |
+| TW304 | Network  | tcpclient    | [TCP客户端联网演示](applications/app/TW304_Network_tcpclient/README.md) | 核心板 |
+| TW305 | Network  | udpserver    | [UDP服务端联网演示](applications/app/TW305_Network_udpserver/README.md) | 核心板 |
+| TW305 | Network  | udpclient    | [UDP客户端联网演示](applications/app/TW305_Network_udpclient/README.md) | 核心板 |
 | TW402 | APP  | oled_u8g2    | [OLED U8G2库综合应用演示](applications/app/TW402_APP_oled_u8g2/README.md) | 核心板 + OLED扩展板|
 
 ## 五、源码目录简介
diff --git a/applications/app/TW304_Network_tcpserver/src/tcp_server.c b/applications/app/TW304_Network_tcpserver/src/tcp_server.c
index 078a6c94ccd7d255fb7af7431228c8569e7ea2f0..c04da62474e733d36dbb6b44a69a9516367e4d0f 100644
--- a/applications/app/TW304_Network_tcpserver/src/tcp_server.c
+++ b/applications/app/TW304_Network_tcpserver/src/tcp_server.c
@@ -44,7 +44,7 @@ int fd_arr[_MAX_SIZE_];
 int max_fd=0;
 static void Useage(const char* proc)
 {
-	printf("Useage:%s,[ip][port]");
+	printf("Useage:%s,[ip][port]\n");
 	exit(1);
 }
 static int add_fd_arr(int fd)
@@ -175,13 +175,13 @@ static void TCPServerTaskWithSelect(void)
 				//"exit"特殊字符串，表示客户端申请断开链接
 				if(size==0 || size==-1 || memcmp(buf,"exit",size)==0)
 				{
-					printf("remote client fd is %d, close,size is %d,msg is %s\n",fd_arr[i],size,buf);					
+					printf("remote client fd is %d, close,size is %d,msg is %s\n",fd_arr[i],size,buf);
 					FD_CLR(fd_arr[i],&fds);
 					close(fd_arr[i]);
 					fd_arr[i]=-1;
 				}else
 				{
-					printf("recv: fd:%d,msg:%s",fd_arr[i],buf);
+					printf("recv: fd:%d,msg:%s\n",fd_arr[i],buf);
 					if ((ret = send(fd_arr[i], tcpSendBuf, strlen(tcpSendBuf) + 1, 0)) == -1)
 					{
 						perror("send error \r\n");
diff --git a/applications/docs/figure/sscom.png b/applications/docs/figure/sscom.png
new file mode 100644
index 0000000000000000000000000000000000000000..5e9194f7756ad36bffcdaafc9f4ffab47565952d
Binary files /dev/null and b/applications/docs/figure/sscom.png differ
diff --git a/applications/docs/tools/sscom5.13.1.7z b/applications/docs/tools/sscom5.13.1.7z
new file mode 100644
index 0000000000000000000000000000000000000000..b78e692c84bd44fda20be021df263567d30011ce
Binary files /dev/null and b/applications/docs/tools/sscom5.13.1.7z differ
diff --git "a/applications/docs/\344\270\262\345\217\243\350\260\203\350\257\225\346\214\207\345\257\274.md" "b/applications/docs/\344\270\262\345\217\243\350\260\203\350\257\225\346\214\207\345\257\274.md"
new file mode 100644
index 0000000000000000000000000000000000000000..251c281930716f6dd064af0959da89ccc8e16c41
--- /dev/null
+++ "b/applications/docs/\344\270\262\345\217\243\350\260\203\350\257\225\346\214\207\345\257\274.md"
@@ -0,0 +1,14 @@
+# 串口调试指导
+
+sscom工具下载地址：[点击下载](./tools/)
+
+1. 使用Type-C数据线把开发板的核心板和电脑进行连接。
+
+2. 打开sscom工具,按下图进行配置。
+
+   ![sscom](figure/sscom.png)
+
+3. 点击打开串口按钮，会自动显示串口打印信息。
+
+
+
diff --git "a/applications/docs/\346\211\200\351\234\200\345\267\245\345\205\267\345\217\212\347\216\257\345\242\203.md" "b/applications/docs/\346\211\200\351\234\200\345\267\245\345\205\267\345\217\212\347\216\257\345\242\203.md"
index 19aeb1567924f016d6a61b219edb1f6094bab08c..3373d22ffb244ceedb4a3738cfdb87cf5e4a6f95 100644
--- "a/applications/docs/\346\211\200\351\234\200\345\267\245\345\205\267\345\217\212\347\216\257\345\242\203.md"
+++ "b/applications/docs/\346\211\200\351\234\200\345\267\245\345\205\267\345\217\212\347\216\257\345\242\203.md"
@@ -11,4 +11,5 @@
 
 * 安装[Docker](安装docker.md)
 * 安装[USB转串口驱动](安装USB转串口驱动.md)
-* 使用[HiBurn下载固件](烧录指导.md)
\ No newline at end of file
+* 使用[HiBurn下载固件](烧录指导.md)
+* 使用[sscom串口调试工具](串口调试指导.md)
\ No newline at end of file